Refresh by emitting events

This decouples drivers from the rest of the application, in particular the
horrible situation where they were working with the canvas directly, by having
them always communicate changes by emitting events.

1 files changed, 4 insertions, 31 deletions

diff --git a/src/AlsaDriver.hpp b/src/AlsaDriver.hpp
index caaaf39..15a5086 100644
--- a/src/AlsaDriver.hpp
+++ b/src/AlsaDriver.hpp
@@ -18,7 +18,6 @@
 #define PATCHAGE_ALSADRIVER_HPP
 
 #include "Driver.hpp"
-#include "PatchageModule.hpp"
 
 #include <alsa/asoundlib.h>
 #include <pthread.h>
@@ -31,13 +30,12 @@
 
 class ILog;
 class Patchage;
-class PatchagePort;
 
 /// Driver for ALSA Sequencer ports
 class AlsaDriver : public Driver
 {
 public:
-	explicit AlsaDriver(Patchage* app, ILog& log);
+	explicit AlsaDriver(ILog& log);
 
 	AlsaDriver(const AlsaDriver&) = delete;
 	AlsaDriver& operator=(const AlsaDriver&) = delete;
@@ -52,11 +50,7 @@ public:
 
 	bool is_attached() const override { return (_seq != nullptr); }
 
-	void refresh() override;
-	void destroy_all() override;
-
-	PatchagePort*
-	create_port_view(Patchage* patchage, const PortID& id) override;
+	void refresh(const EventSink& sink) override;
 
 	bool connect(PortID tail_id, PortID head_id) override;
 	bool disconnect(PortID tail_id, PortID head_id) override;
@@ -70,23 +64,6 @@ private:
 	static void* refresh_main(void* me);
 	void         _refresh_main();
 
-	PatchageModule* find_module(uint8_t client_id, SignalDirection type);
-
-	PatchageModule* find_or_create_module(Patchage*          patchage,
-	                                      uint8_t            client_id,
-	                                      const std::string& client_name,
-	                                      SignalDirection    type);
-
-	void create_port_view_internal(snd_seq_addr_t   addr,
-	                               PatchageModule*& parent,
-	                               PatchagePort*&   port);
-
-	PatchagePort* create_port(PatchageModule&    parent,
-	                          const std::string& name,
-	                          bool               is_input,
-	                          snd_seq_addr_t     addr);
-
-	Patchage*  _app;
 	ILog&      _log;
 	snd_seq_t* _seq;
 	pthread_t  _refresh_thread;
@@ -103,13 +80,9 @@ private:
 		}
 	};
 
-	using Ignored   = std::set<snd_seq_addr_t, SeqAddrComparator>;
-	using Modules   = std::multimap<uint8_t, PatchageModule*>;
-	using PortAddrs = std::map<PatchagePort*, PortID>;
+	using Ignored = std::set<snd_seq_addr_t, SeqAddrComparator>;
 
-	Ignored   _ignored;
-	Modules   _modules;
-	PortAddrs _port_addrs;
+	Ignored _ignored;
 
 	bool ignore(const snd_seq_addr_t& addr, bool add = true);
 };